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Administrator’s Guide for the V500 System
3 - 14 www.polycom.com/videodocumentation
3. Select and configure these settings:
The ISDN BRI Numbers screen also displays the country selected as the
system’s location and the Country Code used for international calls to the
system. To specify the system’s location, go to System > Admin Settings >
General Settings > Location. The system automatically supplies the country
code when you specify the country.
4. If you have configured
the ISDN switch protocol to be AT&T 5ESS Multipoint,
NI-1, or Nortel DMS-100, select and enter the ISDN BRI SPIDs provided
by your service provider.
After you enter the SPIDs, the system verifies them. If the system is unable to
verify the SPIDs, make sure the system is connected and that the ISDN
numbers you entered are correct.
If you do not have the SPIDs from your service provider, you can click Start to
Auto-Detect SPIDs.
Configuring Call Preferences
Call preferences help you manage the network bandwidth used for calls. You can
specify the default and optional call settings for outgoing calls. You can also limit
the call speeds of incoming calls.
To choose call preferences:
1. Go to System > Admin Settings > Network > Call Preference.
Setting Description
Area Code Specifies the area code for this system’s location.
Directory Numbers Specifies the numbers assigned to the B1 and B2 channels for the
BRI line.
The two numbers for a line may be the same or different,
depending on the switch protocol in use.
Enable Specifies whether to enable the ISDN line.
If you selected the Standard ETSI Euro ISDN protocol, you must
enable the BRI line.